Robtex

Up: 193.109.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 193.109.52.0/23
Down right: 193.109.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.109.52.1	PTR	router-sky-uunet.skypro.ch
193.109.52.2	A+PTR	skyfw01.skypro.ch
193.109.52.26	PTR	fw.skypro.ch
193.109.52.36	PTR	citrix.skypro.ch
193.109.52.37	PTR	sslvpn.skypro.ch
193.109.52.38	PTR	rapport.skypro.ch
193.109.52.39	PTR	gwia.skypro.ch
193.109.52.40	PTR	ls.skypro.ch
193.109.52.41	PTR	terminal.skypro.ch
193.109.52.43	PTR	dis.skypro.ch
193.109.52.44	PTR	extend.skypro.ch
193.109.52.46	PTR	ichain.skypro.ch
193.109.52.48	PTR	idp.skypro.ch
193.109.52.49	PTR	sw.skypro.ch
193.109.52.50	A+PTR	dns2.skypro.ch
193.109.52.51	PTR	ifolder.skypro.ch
193.109.52.52	PTR	syncml.skypro.ch
193.109.52.53	PTR	nps.skypro.ch
193.109.52.53	A	www.skypro.ch
193.109.52.54	PTR	ext.skypro.ch
193.109.52.55	PTR	extrapport.skypro.ch
193.109.52.56	PTR	netaccess.skypro.ch
193.109.52.57	PTR	stream2.skypro.tv
193.109.52.58	PTR	www.ubs-hp3.ch
193.109.52.59	PTR	ps.skypro.ch
193.109.52.59	PTR	www.skypro.ch
193.109.52.60	PTR	reset.skypro.ch
193.109.52.60	A	email.skypro.biz
193.109.52.60	A	www.rigifotos.ch
193.109.52.62	A+PTR	mail.skypro.ch
193.109.52.62	A	mail.sihltalerlauf.ch
193.109.52.101	A	boarday.com
193.109.52.102	PTR	mpeg-01.skypro.ch
193.109.52.105	PTR	encoder-03.skypro.ch
193.109.52.106	PTR	swissair.skypro.ch
193.109.52.107	PTR	radio-eviva.skypro-media.net
193.109.52.113	PTR	laptop-sts.skypro.ch
193.109.52.114	PTR	filr.skypro.ch
193.109.52.118	PTR	exchange-ua.skypro.biz
193.109.52.118	A	exchange-ua.skypro.info
193.109.52.118	A	skyexch.skypro.biz
193.109.52.121	PTR	enc-drs-01.skypro-media.net
193.109.52.123	PTR	enc-drs-03.skypro-media.net
193.109.52.230	PTR	mail.aufdermaur.ch
193.109.52.242	A	dns3.core.ch
193.109.52.251	A	zvvprojekte.ch
193.109.53.2	A+PTR	dns1.skypro.ch
193.109.53.2	A	dns.skypro.ch
193.109.53.10	A+PTR	www.parkkarte.ch
193.109.53.10	PTR	www2.skypro.ch
193.109.53.10	A	www.skypro.biz
193.109.53.11	A	skypro.eu
193.109.53.23	A	dms-cl-023.skypro-media.net
193.109.53.40	A	skydrop.biz
193.109.53.53	PTR	cvs.skypro.ch
193.109.53.56	A	www.parkkarte.ch
193.109.53.60	A+PTR	mail.skydrop.biz
193.109.53.62	PTR	www.skydrop.biz
193.109.53.62	A	skydrop.biz
193.109.53.110	A+PTR	www.igb2b.ch
193.109.53.110	A	igb2b.ch
193.109.53.114	PTR	test-www.igb2b.ch
193.109.53.140	A+PTR	voip.skypro.eu
193.109.53.148	A	skypro.us
193.109.53.238	A	colligo.ch
193.109.53.238	A	informationworker.ch
193.109.53.238	A	core.ch
193.109.53.239	PTR	pfw.core.ch
193.109.53.241	A+PTR	dns1.core.ch
193.109.53.242	A	bronze.ch
193.109.53.242	A	swissbankingschool.ch
193.109.53.242	A	www.swissbankingschool.ch
193.109.53.245	A+PTR	dns2.core.ch
193.109.53.247	PTR	mailsrv1.core.ch
193.109.53.247	A	mailsrv1.corenet.ch
193.109.53.247	A	mail.zvvprojekte.ch
193.109.53.250	A	online.prod.fahrplanzvv.ch
193.109.53.250	A	online.fahrplan.zvv.ch
193.109.53.253	A+PTR	mail.core.ch
193.109.54.1	A+PTR	nagate.parliament.bg
193.109.54.3	A+PTR	nt52.parliament.bg
193.109.54.3	A	nt52.abatnt.parliament.bg
193.109.54.3	A	abatnt.parliament.bg
193.109.54.4	A	nt53.parliament.bg
193.109.54.5	A+PTR	help.parliament.bg
193.109.54.5	A+PTR	ns.parliament.bg
193.109.54.9	A+PTR	nt54.parliament.bg
193.109.54.9	A+PTR	nt54.privnet.parliament.bg
193.109.54.11	A+PTR	kns.parliament.bg
193.109.54.11	PTR	www.ckmi.parliament.bg
193.109.54.12	PTR	dv.parliament.bg
193.109.54.13	A+PTR	nt62.parliament.bg
193.109.54.13	A	abatnt.parliament.bg
193.109.54.14	A+PTR	nt63.parliament.bg
193.109.54.14	PTR	email.parliament.bg
193.109.54.16	A	library.parliament.bg
193.109.54.31	A+PTR	irc.parliament.bg
193.109.54.55	A+PTR	gondolin.parliament.bg
193.109.54.90	A+PTR	snake.parliament.bg
193.109.54.101	A+PTR	parliament.bg
193.109.54.102	A+PTR	dv.parliament.bg
193.109.54.103	PTR	email.parliament.bg
193.109.54.103	A+PTR	mail.parliament.bg
193.109.54.103	A+PTR	mail.abatnt.parliament.bg
193.109.54.201	PTR	parliament.bg
193.109.54.203	A	students.parliament.bg
193.109.54.213	PTR	tzaneva.parliament.bg
193.109.54.253	PTR	big.killer.at.parliament.bg
193.109.55.4	A+PTR	nt14.parliament.bg
193.109.55.4	A	nt14.parlnt.parliament.bg
193.109.55.11	PTR	parliament.bg
193.109.55.11	PTR	dv.parliament.bg
193.109.55.28	PTR	maya-new.parliament.bg
193.109.55.171	PTR	cdis2.parliament.bg